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VACUUM PUMPS & COMPRESSORS
Model DOA Shown
Thank you for purchasing this Gast product. It is manufactured to the highest standards
using quality materials. Please follow all recommended maintenance, operational
and safety instructions and you will receive years of trouble free service.
PLEASE READ THIS MANUAL COMPLETELY BEFORE INSTALLING AND USING
Product Use Criteria:
• Pump only clean, dry air.
• Operate at 40ºF - 104ºF (4.4ºC - 40ºC).
• Protect unit from dirt & moisture.
• Do not pump flammable or explosive gases or
use in an atmosphere that contains such gases.
• Protect all surrounding items from exhaust air. This
exhaust air can become very hot.
• Corrosive gases and particulate material will
damage unit. Water vapor, oil-based contaminants
or other liquids must be filtered out.
• Consult your Gast Distributor/Representative
before using at high altitudes.
®Registered Trademark/™Trademark of Gast Manufacturing Inc., Copyright © 2003 Gast Manufacturing Inc. All Rights Reserved.
OIL-LESS DIAPHRAGM
O
PERATION
Model MOA Shown
WARNING
THIS PRODUCT. SAVE THIS MANUAL FOR FUTURE REFERENCE AND
KEEP IN THE VICINITY OF THE PRODUCT
ISO 9001 & 14001 CERTIFIED
PART NO. 70 - 3000 G442PL (REV-J)
& M
AINTENANCE
www.gastmfg.com
M
ANUAL
Model DAA Shown
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Related Manuals for Gast DOA Shown
Summary of Contents for Gast DOA Shown
- Page 1 Water vapor, oil-based contaminants or other liquids must be filtered out. • Consult your Gast Distributor/Representative before using at high altitudes. www.gastmfg.com ISO 9001 & 14001 CERTIFIED ®Registered Trademark/™Trademark of Gast Manufacturing Inc., Copyright © 2003 Gast Manufacturing Inc. All Rights Reserved.
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Page 2: Installation
These should be checked periodically and replaced others. The safety alert symbol and the words when necessary. Please consult your Gast “DANGER” and “WARNING” will precede all safety Distributor/Representative for additional filter messages. -
Page 3: Maintenance
ANY other combustible solvent to clean product. performance. For performance guarantee, the product must be returned to a Gast Authorized Service Facility. 1. Remove the four (MOA) or five (DOA) screws in the top of the product. Remove the top plate. - Page 4 Check that all external accessories such as relief valves and gauges are attached to cover and are not damaged before re-operating product. If pump still does not produce proper vacuum or pressure, send unit to a Gast Authorized Service Facility for repair.
- Page 5 SERVICE KIT K294A K294K * DOA shown. The Double-ended (DAA – not illustrated) models are two DOAs mounted back to back with heads rotated. *** Item not shown. ****Pattern side up for compressors. Pattern side down for vacuum pumps. ∆ Denotes parts included in the Service Kit.
- Page 6 EXPLODED PRODUCT VIEW, PARTS & ORDERING INFORMATION MAA / MOA SERIES DESCRIPTION MAA-V103-HB* MOA-P101- AA MOA-P101-CD MOA-P101-JH** COVER AF780 AF780 2 ∆ HEAD GASKET AF783 AF783 3 ∆ FILTER/MUFFLER ELEMENT AT712 AT712 4 ∆ BC164 BC164 5 ∆ VALVE RETAINER AF819A AF819A 5A ∆...
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Page 7: Warranty
Gast Manufacturing Incorporated, PO Box 97, Benton Harbor Michigan USA 49023-0097 or an authorized Service Center (unless specifically agreed upon in writing signed by both parties or specified in writing as part of a Gast OEM Quotation). Buyer is responsible for freight charges both to and from Gast in all cases. -
Page 8: Troubleshooting Chart
Fax: (852) 2690 1012 Redditch, B98 7AS www.gasthk.com United Kingdom Ph: +44 (0)1527 504040 Fax +44 (0)1527 525262 www.gastmfg.com ISO 9001 & 14001 CERTIFIED ®Registered Trademark/™Trademark of Gast Manufacturing Inc., Copyright © 2002 Gast Manufacturing Inc. All Rights Reserved.